My area of work is Germany, Europe and the World; in particular I have experiences in the following regions (beside Western and Central Europe, of course):
Geological investigations towards geothermal energy use; click here for examples
Planning of ground source heat pump (GSHP) plants and systems for Underground Thermal Energy Storage (UTES), usually jointly with UBeG GbR, Wetzlar, Germany; click here for examples
Consulting in design of Geothermal Energy Systems of all kind
Research and Development in all areas of Geothermal Energy Use click here for examples
Courses and lectures on all topics related to Geothermal Energy, in particular:
Ground Source Heat Pumps
Underground Thermal Energy Storage
Integrated applications of Geothermal Energy
Economic, political and legal environment for Geothermal Energy
World-wide examples of Geothermal Energy Application